| 摘要 |
<p><P>PROBLEM TO BE SOLVED: To provide a polyurethane film which has transparency and exhibits good unwinding property and is excellent in calendering processability. <P>SOLUTION: The polyurethane film having the transparency with a light transmission of 85% or more is prepared by calendaring a thermoplastic polyurethane composition in which at least 5-10 pts.wt. of a terpolymer resin of methylmethacrylate/butadiene/styrene is added based on 100 pts.wt. of a single or mixed resin of a thermoplastic polyurethane having transparency and a Shore A hardness of 90 or more. <P>COPYRIGHT: (C)2011,JPO&INPIT</p> |
